Set `users.approval_pending` default to `false`

priv/repo/migrations/20200811125613_set_defaults_to_user_approval_pending.exs

@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.SetDefaultsToUserApprovalPending do
+  use Ecto.Migration
+
+  def up do
+    execute("UPDATE users SET approval_pending = false WHERE approval_pending IS NULL")
+
+    alter table(:users) do
+      modify(:approval_pending, :boolean, default: false, null: false)
+    end
+  end
+
+  def down do
+    :ok
+  end
+end